[libc-commits] [libc] [libc] Allow using sscanf() and vsscanf() on baremetal targets. (PR #130527)

[Petr Hosek via libc-commits]

petrhosek wrote:

Thank you for the PR, I'm working on a similar change to support `scanf` functions in baremetal targets, but my implementation but is more symmetrical with the `printf` functions and doesn't require `FILE*` which we want to avoid on baremetal for now.

https://github.com/llvm/llvm-project/pull/130527